Three-person data-collection teams stationed in front of the sampled locations asked customers as they entered the store to save their register receipts. The data presented here are limited to the 2 coffee chains included in this larger study: 42 Starbucks stores out of a total of 218 citywide and 73 Dunkin' Donuts stores out of a total of 343 citywide.ĭata were collected at Starbucks and Dunkin' Donuts locations on weekdays from 2:00 to 4:00 pm for 11 weeks between March and June 2007. A computer-generated random sample of 300 fast food and coffee chains was selected from approximately 1,625 locations in New York City. In the spring of 2007, the New York City Department of Health and Mental Hygiene (DOHMH) surveyed customers at fast food and coffee chains as part of an evaluation of a new calorie labeling regulation additional details are provided elsewhere ( 8). We used customers' receipts to estimate calorie values for afternoon beverage purchases among customers at a sample of Starbucks and Dunkin' Donuts stores in New York City. These trends, combined with the increasing prevalence of obesity in the United States ( 6, 7), indicate that the effect of beverages from popular coffee chains merits examination. Another study found that daily calorie intake from sweetened beverages increased from 70 to 190 kcal per person from 1977 to 2001 ( 4). One study found that overall daily calorie intake from beverages increased by 222 kcal per person from 1965 to 2002 this increase resulted largely from drinking sweetened beverages ( 5). A large Dunkin' Donuts Vanilla Bean Coolatta (32 oz) contains 860 kcal.ĭaily calorie intake from beverages has increased in the past several decades in the United States. One high-calorie blended coffee beverage sold at Starbucks is the Strawberries & Crème Frappuccino Blended Crème the largest size ("venti," 24 oz) with whipped cream contains 750 kcal, or approximately 38% of the 2,000-kcal diet often used as a benchmark for total daily calorie intake. The calorie contribution of these blended coffee beverages, marketed as afternoon "pick-me-ups," has attracted little attention in nutritional research, which has focused instead on caffeine and other active compounds in coffee ( 3) and on the calorie content of brewed coffee or tea ( 4).īlended coffee beverages have many more calories than does a brewed cup of coffee or tea, to which calories are introduced mainly from added milk or sugar. "Blended coffee beverages," a term we use to describe any drink, excluding brewed coffees and teas, prepared at the counter of a coffee retailer, have increased in popularity 17% of adults report drinking them daily ( 2). In 2007, the United States National Coffee Association found that more than half (55%) of the adult population drinks coffee daily ( 1). Both companies have promoted their products aggressively and serve millions of customers each day. Starbucks, the largest coffee chain in the world, had more than 11,000 retail stores in the United States and 15,000 stores worldwide as of December 2008 Dunkin' Donuts had more than 5,700 stores in the United States and nearly 8,000 stores worldwide at the end of 2007. Coffee chains and specialty coffee outlets have proliferated in recent years.
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